professional-javascript-03-DynamicPrototypeExample.htm / htm
<html>
<head>
<title>Example</title>
</head>
<body>
<script type="text/javascript">
function Car(sColor, iDoors, iMpg) {
this.color = sColor;
this.doors = iDoors;
this.mpg = iMpg;
this.drivers = new Array("Mike", "Sue");
if (typeof Car._initialized == "undefined") {
Car.prototype.showColor = function () {
alert(this.color);
};
Car._initialized = true;
}
}
var oCar1 = new Car("red", 4, 23);
var oCar2 = new Car("blue", 3, 25);
oCar1.drivers.push("Matt");
alert(oCar1.drivers); //outputs "Mike,Sue,Matt"
alert(oCar2.drivers); //outputs "Mike,Sue"
</script>
</body>
</html>
(C) Æliens 20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.
